Panasonic dmr ex 95 veb service manual

Page 1

ORDER NO.MAD0608024CE

Service Manual

EUR7659YNO (EB model)
EUR7659YPO (EG model)

DVD Recorder

DMR-EX95VEG
DMR-EX95VEB

Vol. 1

Colour
(8) ....................... Silver Type

Notes:
This models RAM / Digital P.C.B
Module are - RFKNEXQSVEG
- RFKNEXQSVEB
After replacing RAM/Digital P.C. B. Module.
FORMAT of HDD is unnecessary.

CAUTION:

Pairing of RAM Drive and Digital PC. B. as "RAM (DIGITAL
PCB. MODULE" have to be replaced together. If the pairing is
changed, RAM Drive unit has to be re-aligned. Because the
alignment data for RAM Drive Unit is stored in Digital PCB.

When replacing with Power& Digital l/F P.C.B. or EEPROM,
UNFORMAT indication is displayed and HDD must be
formatted,

When replacing with HDD it is necessary to update the
firmware. Please prepare the update disc.
(Afterthat, FORMAT is necessary)

After that. programme in the HDD will be lost.

Manufactured under license from Dolby Laboratories. Dolby"
and double-D symbol are trademarks of Dolby Laboratories.

"DTSl and "DTS 2.0 + Digital Out" are trademarks of Digital
Theater Systems, Inc.

- SD logo is a trademark.

o Portions of this product are protected undercopynght

0 law and are provided under license by ARIS/SOLANAMC.
- miniSDTM is a trademark of SD Card Association.

Apparatus Claims of U.S. Patent Nos. 4,631 ,603, 4,577,216, and
4,819,098, licensed for limited viewing uses only.

HDAVI ControlWI is a trademark of Matsushita Electric Industrial
Co.. Ltd.

G-CODE is a registrecl trademark of Gemstar Development
Corporation. The G-CODE system is manufactured under license
from Gemstar Development Corporation.

HDMI, the HDMI logo and Hight-Defininition Multimedia
Interface are trademarks or registered trademarks of HDMI
Licensing LLC.

MPEG Layer-3 audio decoding technology licensed from
Fraunhofer IIS and Thomson multimedia.

This product incorporates copyright protection technology that is
protected by method claims of certain US. patents and other
intellectual property rights owned by Macrovision Corporation
and other rights owners. Use of this copyright protection
technology must be authorized by Macrovision Corporation, and
is intended for home and other limited viewing uses only unless
otherwise autherwise authorized by Macrovision Corporation.
Reverse engineering ordisassembly is prohibited.

Official DivX CertifiedTM product.

Plays DivX®5, DivX®4, Div®3, and Div® VOD video content (in
compliance with DivX CertifiedTM technical requirements).
DivX, DivX Certified, and associated logos are trademarks of
DivXNetworks. Inc. and are used under license.

Panasonic®

© 2006 Matsushita Electric Industrial 00., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

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DMR-EXSSVEG / DMR-EXBSVEB

AWARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with In this service information by anyone else could result in serious injury or death

CONTENTS
Page
1 SAFETY PRECAUTIONS --------------------------------------------------------- 4
1.1. GENERAL GUIDELINES ------------------------------------------------ 4
2 WARNING ............................................................................... 5
2.1. PREVENTION OF ELECTROSTATIC DISCHARGE (ESD)
TO ELECTROSTATIC SENSITIVE (ES) DEVICES ---------- 5
2.2. PRECAUTION OF LASER DIODE ---------------------------------- 6
2.3. SERVICE CAUTION BASED ON LEGAL RESTRICTIONS
-7
3 SERVICE NAVIGATION -a
3.1. SERVICE INFORMATION ---------------------------------------------- 3
3.2. CAUTION FOR DivX (For EG only) -------------------------------- 3
4 SPECIFICATION ---------------------------------------------------------------------- 9

5 NEW FEATURE .......................
5.1. ABOUT DiVX (EXCEPT EB)

..10
0

5.2. HDAVI CONTROL (HDMI LINK) --15
6 LOCATION OF CONTROLS AND COMPONENTS .................. 17
7 OPERATING INTRUCTIONS .................................................. 18

7.1. (DVD) TAKING OUT THE DISC FROM RAM-DRIVE UNIT
WHEN THE DISC CANNOT BE EJECTED BY

OPEN/CLOSE BUTTON ............................................... 1g
7.2. (VHS) REMOVING OF CASSETTE TAPE ..................... 19
8 SERVICE MODE .................................................................... 21
8.1. (DVD) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING- ..21
8.2. (VHS) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING ..................................................................... 32
9 SERVICE FIXTURE AND TOOLS ........................................... 34

1o ASSEMBLING AND DISASSEMBLING --
10.1. DISASSEMBLY FLOW CHART
10.2. P.C.B. POSITIONS ...............
10.3. CAUTION WHILE INSERTING CASSETTE TAPE WHEN

DISASSEMBLING THE UNIT ....................................... 35

10.4. TOP CASE .....
10.5. FRONT PANEL-
10.s. FRONT JACK P.C.B &FL DRIVE P.C.B.
10.7. REAR PANEL...-
10.s. HARD DISC DRIVE ..................................................... as
10.9. FAN MOTOR ............................................................... 38
10.10. VCR MECHANISM UNIT
1011. MAIN P.C.B. ...............

10.12. TUNER ........................................................................ 39
10.13. DVD-RAM DRIVE / DIGITAL P_c_B_ MODULE .............. 39
10.14. SD/DV IN P.C_B. .......................................................... 40

10.15. POWER & DIGITAL I/F P.C.B
10.16. BACK END P.C.B. ---------

--41

Page
10.17. HDMI P.C_B_ ................................................................ 42
11 MEASUREMENTS AND ADJUSTMENTS ................................ 43

11.1. SERVICE POSITIONS ..................

11.2. CAUTION FOR REPLACING PARTS
11.3. (DVD) STANDARD INSPECTION SPECIFICATION

AFTER MAKING REPAIRS .......................................... 52

12 MISCELLANEOUS ................................................................. 53

12.1. ABBREVIATIONS

13 BLOCK DIAGRAM ------

13.1. POWER SUPPLY BLOCK DIAGRAM ........................... 59
13.2. SYSTEM CONTROL, SERVO & TIMER BLOCK
DIAGRAM .................................................................... 60

13.3. AUDIO BLOCK DIAGRAM
13.4. VIDEO BLOCK DIAGRAM
13.5. DIGITAL I/F P.C.B. BLOCK DIAGRAM
13.6. HDMI BLOCK DIAGRAM ---------------------------------------------- 65
14 SCHEMATIC DIAGRAM --------------------------------------------------------- 67
14.1. INTERCONNECTION DIAGRAM
14.2. POWER SUPPLY
14.3. DIGITAL I/F -----

14.4. IO / TUNER ----------------------------------------------------------------- 70
14.5. SYSCON / SERVO 7 TIMER MAIN ............................... 71
14.6. VIDEO ----------

14.7. AUDIO NICAM-
14.8. FRONT JACK--

14.9. FL DRIVE -------------------------------------------------------------------- 75
14.10. SD/DV IN ..................................................................... 76
14.11. HDMI .....................

15 PRINTED CIRCUIT BOARD-
15.1. POWER 3 DIGITAL I/F P.C.B. (COMPONENT SIDE) ---79
15.2. POWER 3 DIGITAL I/F P.C.B. (SOLDER SIDE) ........... 80
15.3. MAIN P.C.B. (COMPONENT SIDE) .............................. 31
15.4. MAIN P.C.B. (SOLDER SIDE)
15.5. FRONT JACK P.C.B
15.6. FL DRIVE P.C.B.-
15.7. DV IN P.C.B.
15.3. HDMI P.C.B. ................................................................ 86

15 APPENDIX FOR SCHEMATIC DIAGRAM ............................... 37
13.1. VOLTAGE AND WAVEFORM CHART-

17 EXPLODED VIEWS ...................................

17.1. MECHANISM & CASING PARTS ................................. 99
17.2. FRONT PANEL PARTS .............................................. 100
17.3. VHs MECHANISM PARTS ......................................... 101

17.4. PACKING & ACCESSORIES SECTION
18 REPLACEMENT PARTS LIST ....................

--102